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公开(公告)号：US11342344B2
公开(公告)日：2022-05-24
申请号：US17089286
申请日：2020-11-04
申请人： Electronics and Telecommunications Research Institute , University-Industry Cooperation Group of Kyung Hee University
发明人： Seungeon Moon , Bae Ho Park , Sung-Min Yoon , Seung Youl Kang , Jeong Hun Kim , Jiyong Woo , Jong Pil Im , Chansoo Yoon , Ji Hoon Jeon
IPC分类号： H01L21/00 , H01L27/11507 , H01L27/11504 , H01L49/02
摘要： The present disclosure relates to a memory device, and more particularly, to a memory device including a substrate, a plurality of vertical structures disposed on the substrate and including insulation layers and lower electrodes, which are alternately laminated with each other, wherein the vertical structures are aligned in a first direction parallel to a top surface of the substrate and a second direction crossing the first direction, an upper electrode disposed on a top surface and side surfaces of each of the vertical structures, and a first dielectric layer disposed between the upper electrode and the vertical structures to cover the top surface and the side surfaces of each of the vertical structures. Here, the first dielectric layer includes a ferroelectric material.
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公开(公告)号：US20210119483A1
公开(公告)日：2021-04-22
申请号：US17023824
申请日：2020-09-17
发明人： Jong Pil IM , Seungeon Moon , Jeong Hun Kim , Jiyong Woo , Yeriaron Kim , Solyee Im
摘要： Disclosed is a system for tracking a maximum power point. The system includes an energy harvesting device, a power management integrated circuit including a switching circuit that adjusts an input voltage that is transmitted from the energy harvesting device and a conversion circuit that converts the input voltage adjusted by the switching circuit to output an output voltage, and a measuring device that calculates a ratio of a second power based on the input voltage to a first power based on an open circuit voltage of the energy harvesting device, using an internal impedance of the energy harvesting device and an input impedance of the power management integrated circuit.
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公开(公告)号：US11251653B2
公开(公告)日：2022-02-15
申请号：US17023824
申请日：2020-09-17
发明人： Jong Pil Im , Seungeon Moon , Jeong Hun Kim , Jiyong Woo , Yeriaron Kim , Solyee Im
摘要： Disclosed is a system for tracking a maximum power point. The system includes an energy harvesting device, a power management integrated circuit including a switching circuit that adjusts an input voltage that is transmitted from the energy harvesting device and a conversion circuit that converts the input voltage adjusted by the switching circuit to output an output voltage, and a measuring device that calculates a ratio of a second power based on the input voltage to a first power based on an open circuit voltage of the energy harvesting device, using an internal impedance of the energy harvesting device and an input impedance of the power management integrated circuit.
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